Process for preparing CHF.sub.2 OCHFCF.sub.3 and CHF.sub.2 OCHClCF.sub.3 and novel intermediate compounds employed therein
US4855511A · kind A · utility
6Cited by
2References
9Claims
0Family size
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Key dates
| Filing date | Jul 18, 1988 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Jul 18, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/62
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for preparing CHF.sub.2 OCHFCF.sub.3 through the use of novel intermediate compounds CHCl.sub.2 OCH.sub.2 COCl and CHCl.sub.2 OCHClCOCl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.